{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["process parameter", "machine or equipment", "application", "process characterization", "manufacturing process", "material"], "input": "Results indicate that , in terms of total ReCiPe endpoints , the environmental impact of producing a kg of stainless steel 308 l product using WAAM is comparable to green sand casting ."}
{"process parameter": [], "machine or equipment": [], "application": [], "process characterization": [], "manufacturing process": ["WAAM", "sand casting"], "material": ["stainless steel"]}